April weather forecast
Harleyville, SC

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Weather in April

April in Harleyville, South Carolina, is a warm spring month, with an average temperature varying between 75.2°F (24°C) and 55.2°F (12.9°C).

Temperature

Harleyville observes a slight uplift in the average high-temperature with the onset of April, adjusting from March's refreshing 66.4°F (19.1°C) to a warm 75.2°F (24°C). Harleyville records a steady low-temperature average of 55.2°F (12.9°C) during April.

Humidity

In Harleyville, the average relative humidity in April is 75%.

Rainfall

In Harleyville, in April, it is raining for 11.9 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, in Harleyville, there are 151.2 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Harleyville, South Carolina.

Daylight

The average length of the day in April in Harleyville, South Carolina, is 13h and 2min.
On the first day of the month, sunrise is at 7:08 am and sunset at 7:42 pm. On the last day of April, in Harleyville, sunrise is at 6:34 am and sunset at 8:03 pm EDT.

Sunshine

In April, the average sunshine is 9.5h.

UV index

In Harleyville, the average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 during April leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the average April temperature in Harleyville?

In April, in Harleyville, the average high-temperature is 75.2°F (24°C), and the average low-temperature is 55.2°F (12.9°C).

What is the average humidity in April in Harleyville?

In Harleyville, the average relative humidity in April is 75%.

How many days does it rain in April in Harleyville?

In Harleyville, South Carolina, in April, it is raining for 11.9 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Harleyville?

March through December are months without snowfall in Harleyville.

What is the average length of the day in April in Harleyville?

In April, the average day length in Harleyville, South Carolina, is 13h and 2min.

When is the sunrise / sunset in April in Harleyville?

On the first day of April, sunrise is at 7:08 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:03 pm EDT.

How many hours of sunshine does Harleyville have in April?

In April, the average sunshine duration in Harleyville, South Carolina, is 9.5h.

What is the UV index intensity in April in Harleyville?

In Harleyville, South Carolina, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Harleyville, SC

Average temperature in April - Harleyville, SC
  • Average high temperature in April: 75.2°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55.2°F).

  • Average low temperature in April: 55.2°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in April
Harleyville, SC

Average pressure in April - Harleyville, SC
  • Average pressure in April: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in April
Harleyville, SC

Average wind speed in April - Harleyville, SC
  • Average wind speed in April: 7.1mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in April
Harleyville, SC

Average humidity in April - Harleyville, SC
  • Average humidity in April: 75%

The months with the highest relative humidity are May, August, September and December (77%).
The month with the lowest relative humidity is January (72%).

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Average rainfall in April
Harleyville, SC

Average rainfall in April - Harleyville, SC
  • Average rainfall in April: 1.89"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is November (0.91").

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Average rainfall days in April
Harleyville, SC

Average rainfall days in April - Harleyville, SC
  • Average rainfall days in April: 11.9 days

The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (6.8 days).

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Average snowfall in April
Harleyville, SC

Average snowfall in April - Harleyville, SC
  • Average snowfall in April: 0"

The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in April
Harleyville, SC

Average snowfall days in April - Harleyville, SC
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in April /
Average sunshine in April
Harleyville, SC

Average daylight in April / Average sunshine in April - Harleyville, SC
  • Average daylight in April: 13h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in April: 9h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in April
Harleyville, SC

Average sunshine days in April - Harleyville, SC
  • Average sunshine days in April: 16.7 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (8.7 days).

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Average UV index in April
Harleyville, SC

Average UV index in April - Harleyville, SC
  • Average UV index in April: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in April
Harleyville, SC

Average cloud cover in April - Harleyville, SC
  • Average cloud cover in April: 33

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in April
Harleyville, SC

Average visibility in April - Harleyville, SC
  • Average visibility in April: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Harleyville, South Carolina, USA

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